severákova polívka

asi zelňačka (mainly in czech)

(fork of

severak 28.3.2023 14:53:54

How to run a shadow library: operations at Anna’s Archive

There is no “AWS for shadow charities”, so how do we run Anna’s Archive?

severak 14.3.2023 11:17:09

How not to design a UI library

I write stuff about math, simulation, graphics, gamedev, and programming.

severak 16.1.2023 09:50:27

Jak tvořit systematické barvy pro digitální produkty - Blog | Jiří Chlebus


severak 1.1.2023 01:18:33

Draw SVG rope using JavaScript

This is an interactive article. To fully experience it, you'll need to turn JavaScript on. Today, I'll take you through the process I came up with …

severak 20.12.2022 14:33:52

How to draw ugly lines really fast

Beyond textbook Bresenham Introduction Every now and then (don't ask) I have to yet again write a subpixel-accurate but NOT antialiased line drawer....

severak 28.11.2022 15:58:19

FFmpeg - Ultimate Guide | IMG.LY Blog

This guide covers the ins and outs of FFmpeg starting with fundamental concepts and moving to media transcoding and video and audio processing providing practical examples along the way.

severak 16.11.2022 19:08:52

OAuth 2 Simplified

This post describes OAuth 2.0 in a simplified format to help developers and service providers implement the protocol.

severak 16.11.2022 12:35:29

Mastodon on your own domain without hosting a server

Like many in the past week, I have been having a serious look at Mastodon as an alternative to Twitter.

severak 16.8.2022 16:55:29

severak 30.3.2022 10:27:00

Implementing cosine in C from scratch

How does the math library's trigonometric function work?

severak 22.3.2022 13:39:25

Kokichi Sugihara's English Homepage

(Impossible Objects)

severak 16.3.2022 11:55:56

Coloring for Colorblindness

This interactive visual tool lets you see how accessible your color palettes are to viewers who are colorblind.

severak 29.12.2021 10:23:37

Making sounds using SDL and visualizing them on a simulated oscillosco

The most important part of Vectron is the real-time generation and visualization of audio. In the previous blog post I already built a simulated XY oscilloscope which I'll use to visualize the two ste

severak 23.12.2021 09:15:51

How to Draw S-Curved Arrows Between Boxes / Rectangles

When I was building the spatial “tool for thought”, Jade, one frequently requested feature was drawing arrows between blocks, so we could make mind maps, flowcharts, etc. Here’s how I made it.

severak 24.11.2021 00:13:31

How To Create Secure WebSocket With Node.JS "ws" Module

In this tutorial, we will create ssl enable websocket using ws module.

severak 21.11.2021 19:54:23

How To Make A Real-Time Music Application Using WebSockets

I recently decided to become more familiar with WebSockets, in an effort to understand how to build interactive web applications using…

severak 19.11.2021 17:09:55

Node.js & WebSocket — Simple chat tutorial

Node.js is a brilliant product. It gives you so much freedom and I think it’s ideal for single purpose web servers.

severak 19.10.2021 15:00:27

How Google Earth (Really) Works

One of the original creators of Google Earth explains how it works

severak 15.10.2021 12:25:36

How to win at CORS

The 'how' and 'why' of CORS, from start to finish.

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